WorksheetsTest 06 Review
Total questions: 13
Worksheet time: 26mins
What is the direction of the magnetic field created by the wire at point P?
Left
Right
Out of screen
Into screen
Up
If point P is 0.5 meters from the wire, and the current is 75 A, then the B field created has a strength of
1.5 * 10-5 T
3.0 * 10-5 T
1.5 * 10-7 T
3.0 * 10-7 T
As seen from above, a solenoid's current rotates counterclockwise. The mag field it generates
points toward you
points away from you
points leftward
points rightward
points mockingly at you
A 10 cm long solenoid with 100 turns and a resistance of 3.5 Ω produces a 1T field. What is the voltage applied to this solenoid by a battery?
796 V
2785 V
79,577 V
278,521 V
A negatively charged particle is at rest in an upward facing B field. The force it experiences
points left
points right
points into the page
points out of the page
is zero
A 6 meter string vibrates in its 3rd harmonic. Tension = 115.2 N, mass = 0.3 kg. What is the resonant frequency?
8 Hz
12 Hz
64 Hz
144 Hz
A tube, open at both ends, vibrates in its 124th harmonic. How many antinodes are there?
123
124
125
126
What is the 1st harmonic frequency of a 32 cm piccolo open on both ends if the temperature is 23 °C ?
269 Hz
539 Hz
1078 Hz
2155 Hz
A magnet passes through a 250-turn coil of wire with radius 0.1m. If the magnetic field strength increases from 0.1 T to 0.8 T over the course of 0.2 seconds, what voltage is produced?
27.5 V
31.4 V
0.11 V
12.3 V
The period of this wave is closest to
0.1 s
0.2 s
0.4 s
0.8 s
The amplitude of this wave is closest to
0.01 m
0.02 m
0.005 m
75 m
Two cars simultaneously blare their horns, and a beat of 6.0 Hz is heard. If the first car's horn frequency is 300 Hz, the frequency of the second is
294 Hz
306 Hz
312 Hz
impossible to determine with this amount of information
Lightning McQueen and Mater drive directly toward each other on a 25°C day. McQueen blares his horn at 350 Hz. Mater, traveling at 20 m/s, hears the horn at 413 Hz. Roughly how fast is Lightning McQueen moving?
36 m/s
70 m/s
86 m/s
622 m/s
